Modules
Higher Education
Faraday's Law of Electromagnetic Induction
OverviewThe relative motion between a magnet and coil induces an electric current within the coil. This is known as Faraday’s law of electromagnetism. The direction...
Higher Education
Transformer
OverviewA transformer is a device that increases or decreases the voltage of an alternating current. The transfer which increases the voltage is called a step-up...
Higher Education
HIV
OverviewHIV is the human immunodeficiency virus. It is a retrovirus containing single-stranded RNA as genetic material, enclosed within a viral core. It also contains...
Higher Education
Influenza Virus
OverviewThe body of an influenza virus is composed of a lipid bilayer membrane that is studded with glycoprotein spikes. It contains ssRNA in its core which is surrounded...
Higher Education
The Doppler Effect
OverviewThe Doppler effect explains the reason of the difference between the observed frequency of the sound with its actual frequency based on the motion of the...
Higher Education
Regression and Correlation
OverviewRegression analysis involves identifying the relationship between a dependent variable and one or more independent variables. A model of this relationship...
Higher Education
Solving System of Equations by Matrix Method
Overview We are already familiar with the method of solving system of equations in two variables. But what if we have system of equations with three variables. In...
Higher Education
Waiting Time Distribution
OverviewTo explain the concept of waiting time distribution, we use lambda where Lambda is the number of events per unit time. A graph of exponential distribution,...
Higher Education
Normal Distribution
OverviewNormal (or Gaussian) distribution is a very common continuous probability distribution. Normal distributions are important in statistics and are often used...
Higher Education
Anatomy of Respiratory System
OverviewThe respiratory system includes nose, pharynx, larynx, trachea, and lungs. It provides oxygen to body tissues for cellular respiration and removes waste...
Higher Education
Eye
Overview A human eye is comprised of the sclera, choroid, retina, cornea, ciliary body, suspensory ligaments, iris, pupil, lens, vitreous humor and aqueous...
Higher Education
Poles of a Magnet
OverviewMagnet ends, where the force applied by the magnet is the strongest, are called the poles of the magnets. There are two magnetic poles - north pole and south...
Higher Education
Principle and Construction of Electric Motor
OverviewAn electric motor is a device that converts electrical energy to mechanical energy. Electric motors are used in all types of industries, including agriculture...
Higher Education
Anatomy of Heart
OverviewThe human heart is one of the main organs of the human body, which controls blood circulation within the body. It has a very unique structure and each part...
Higher Education
Reflection of Light
OverviewReflection of light is the phenomenon in which a light ray bounces off the surface of the object it strikes. According to the law of reflection, the angle...
Higher Education
Working of Electric Motor
OverviewIn a simple electric motor, an electromagnet rotates between the poles of a permanent magnet. Electric motor converts electrical energy to mechanical energy.Learning...
Higher Education
Plasma Membrane
OverviewThe plasma membrane is a biological membrane that separates the interior of cells from outside environment. It contains lipids and proteins which form the...
Higher Education
Electromagnetic Spectrum
Overview Electromagnetic spectrum denotes the entire range of electromagnetic waves having different frequencies and wavelengths. It consists of radio waves, microwaves,...
Higher Education
Electromagnet
OverviewAn electromagnet is a temporary magnet created when there is a current flowing in a coiled wire. The strength of electromagnet depends upon the magnitude...
Higher Education
Skin
OverviewHuman skin is comprised of three layers called epidermis, dermis, and subcutaneous or hypodermis. The dermis layer contains nerve cells, muscle fibers, sweat...